Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 353732
Title Field effects of pollutants in dynamic environments; a case study on earthworm populations in river floodplains contaminated with heavy metals
Author(s) Klok, C.; Goedhart, P.W.; Vandecasteele, B.
Source Environmental Pollution 147 (2007)1. - ISSN 0269-7491 - p. 26 - 31.
DOI https://doi.org/10.1016/j.envpol.2006.08.023
Department(s) Centre for Ecosystem Studies
PRI Biometris
Wageningen Environmental Research
Publication type Refereed Article in a scientific journal
Publication year 2007
Keyword(s) lumbricus-rubellus - risk-assessment - organic-matter - soils - zinc - growth - consequences - oligochaeta - grassland - responses
Abstract In industrialized countries river floodplains can be strongly polluted with heavy metals. Published studies on effects of heavy metal pollution on soil invertebrates in floodplains, however, are inconclusive. This is unexpected since studies in other less dynamic environments reported clear effects at even lower levels of pollution. Flooding induces extra variation in invertebrate biomass and abundance which may reduce the probability to detect heavy metal effects. In this paper we combine reported data from studies on river floodplains in The Netherlands and Belgium and statistically analyze the effect of heavy metals on species composition, biomass, density and individual weight of earthworms. Interaction effects of heavy metal stress and flooding are also considered. The results suggest clear effects of zinc and copper on all variables and interaction of heavy metals and flooding for individual weight. (c) 2006 Elsevier Ltd. All rights reserved.
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